# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id:
http://devicetree.org/schemas/sound/fsl,saif.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: Freescale MXS Serial Audio Interface (SAIF)
maintainers:
- Lukasz Majewski <lukma@denx.de>
allOf:
- $ref: dai-common.yaml#
description:
The SAIF is based on I2S module that is used to communicate with audio codecs,
but only with half-duplex manner (i.e. it can either transmit or receive PCM
audio).
properties:
compatible:
const: fsl,imx28-saif
reg:
maxItems: 1
"#sound-dai-cells":
const: 0
interrupts:
maxItems: 1
dmas:
maxItems: 1
dma-names:
const: rx-tx
"#clock-cells":
description: Configure the I2S device as MCLK clock provider.
const: 0
clocks:
maxItems: 1
fsl,saif-master:
description: Indicate that saif is a slave and its phandle points to master
$ref: /schemas/types.yaml#/definitions/phandle
required:
- compatible
- reg
- "#sound-dai-cells"
- interrupts
- dmas
- dma-names
- clocks
unevaluatedProperties: false
examples:
- |
saif0: saif@80042000 {
compatible = "fsl,imx28-saif";
reg = <0x80042000 2000>;
#sound-dai-cells = <0>;
interrupts = <59>;
dmas = <&dma_apbx 4>;
dma-names = "rx-tx";
#clock-cells = <0>;
clocks = <&clks 53>;
};
- |
saif1: saif@80046000 {
compatible = "fsl,imx28-saif";
reg = <0x80046000 2000>;
#sound-dai-cells = <0>;
interrupts = <58>;
dmas = <&dma_apbx 5>;
dma-names = "rx-tx";
clocks = <&clks 53>;
fsl,saif-master = <&saif0>;
};
